<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<style>
    .ztree{
        display: block;
        color: #00B83F;
    }
</style>
<body>
我是<strong th:text="${user}" style="color:red"></strong>
</body>
</html>